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Electromagnetic Field Theory

Electromagnetic Field Theory
In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is

 4.32.
 Infinity.
 Zero.
  2.16.

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Electromagnetic Field Theory
Which of this statement is not characteristic of a static magnetic field

 it has no sink or sources.
 magnetic flux lines are always closed.
 it is conservative.
 it is solenoidal.

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Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to

 a monopole.
 a dipole and a monopole.
 a dipole.
 none of above.

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Electromagnetic Field Theory
In above problem the induced emf will be reduced to half if the conductor moves an angle of

  45° to the direction of field.
  75° to the direction of field.
  30° to the direction of field.
  60° to the direction of field.

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Electromagnetic Field Theory
Cork Screw rule is used to find

 direction of current.
 direction of emf.
 direction of electric field.
 direction of magnetic field.

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Electromagnetic Field Theory
The magnetic field required to reduce the residual magnetism to zero is called

 Saturation magnetism.
 Retentivity.
 Hysteresis.
 Coercivity.

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MORE MCQ ON Electromagnetic Field Theory

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